Hi, http://old.nabble.com/file/p31858795/ErrorMsg.png
indeed I forgot to remove these line from previous tests, sorry. However it doesn't affect the code behaviour, the problem remains (it fills the RAM memory and raises a memory error, see img in att.). Alain Davidmh wrote: > > You are importing pylab again before each plot. You have loaded it before. > > for i,t in enumerate(times): > import pylab as pl # <--ERASE THIS > > > > On Wed, Jun 15, 2011 at 12:10 PM, Alain Pascal Frances > <frances17...@itc.nl> wrote: >> Hi, >> >> I have a script that creates and saves figures in a loop. The memory is >> increasing at each figure and is not released back, rising a Memory >> error. >> I used the close() function on the figure object as well as gc.collect(), >> but no effect. >> >> I searched on the net and found a similar problem at >> http://stackoverflow.com/questions/3623600/python-matplotlib-memory-not-being-released-when-specifying-figure-size. >> The problem here was solved using the close() function but in my case, as >> refered before, it doens't work (see code below). >> >> I'm using Python 2.6.6, matplotlib 1.0.1, WXagg as backend, on windows7. >> >> Thanks for help! >> >> Alain >> >> >> CODE: >> >> import pylab as pl >> import os, tempfile >> def plot_density(filename,i,t,psi_Na): >> pl.figure(figsize=(8,6)) >> pl.imshow(abs(psi_Na)**2,origin = 'lower') >> filename = os.path.join(tempfile.gettempdir(), filename + >> '_%04d.png'%i) >> pl.savefig(filename) >> pl.clf() >> pl.close() >> if __name__ == "__main__": >> x = pl.linspace(-6e-6,6e-6,128,endpoint=False) >> y = pl.linspace(-6e-6,6e-6,128,endpoint=False) >> X,Y = pl.meshgrid(x,y) >> k = 1000000 >> omega = 200 >> times = pl.linspace(0,100e-3,100,endpoint=False) >> for i,t in enumerate(times): >> import pylab as pl >> psi_Na = pl.sin(k*X-omega*t) >> plot_density('wavefunction',i,t,psi_Na) >> print i >> ------------------------------------------------------------------------------ >> EditLive Enterprise is the world's most technically advanced content >> authoring tool. Experience the power of Track Changes, Inline Image >> Editing and ensure content is compliant with Accessibility Checking. >> http://p.sf.net/sfu/ephox-dev2dev >> _______________________________________________ >> Matplotlib-users mailing list >> Matplotlib-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/matplotlib-users >> > > ------------------------------------------------------------------------------ > EditLive Enterprise is the world's most technically advanced content > authoring tool. Experience the power of Track Changes, Inline Image > Editing and ensure content is compliant with Accessibility Checking. > http://p.sf.net/sfu/ephox-dev2dev > _______________________________________________ > Matplotlib-users mailing list > Matplotlib-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/matplotlib-users > > -- View this message in context: http://old.nabble.com/Memory-increasing-while-plotting-in-loop-tp31850163p31858795.html Sent from the matplotlib - users mailing list archive at Nabble.com. ------------------------------------------------------------------------------ EditLive Enterprise is the world's most technically advanced content authoring tool. Experience the power of Track Changes, Inline Image Editing and ensure content is compliant with Accessibility Checking. http://p.sf.net/sfu/ephox-dev2dev _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
